„America's oldest wild bird is a new mom”, CNN, 2011. március 9.. [2011. március 10-i dátummal az eredetiből archiválva] (Hozzáférés: 2011. március 9.) „The bird was first identified and banded by a USGS researcher in 1956 when she was incubating an egg, according to the USGS. As the Laysan albatross can't breed before age 5 – and spends much of its life before that at sea – scientists estimate Wisdom is at least 60 years old. She may be even older, though, as most Laysan albatrosses don't breed until age 8 or 9 after an extended courtship...”
„America's oldest wild bird is a new mom”, CNN, 2011. március 9.. [2011. március 10-i dátummal az eredetiből archiválva] (Hozzáférés: 2011. március 9.) „The bird was first identified and banded by a USGS researcher in 1956 when she was incubating an egg, according to the USGS. As the Laysan albatross can't breed before age 5 – and spends much of its life before that at sea – scientists estimate Wisdom is at least 60 years old. She may be even older, though, as most Laysan albatrosses don't breed until age 8 or 9 after an extended courtship...”
